statics

Related Questions

• A uniform beam of length 2a rests in equilibrium against a smooth vertical plane and over a smooth peg at a distance h from the plane. If $\theta$ be the inclination of the beam to the vertical, then $\sin 3\theta$ is

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• A force $\sqrt{5}$unit act along the line $\frac{x-3}{2}=\frac{y-4}{-1}$, the moment of the force about the point (4, 1) along z-axis is

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• Forces of magnitudes $P-Q,P$and $P+Q$act at a point parallel to the sides of an equilateral triangle taken in order. The resultant of these forces, is

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• Force forming a couple are of magnitude 12N each and the arm of the couple is 8m. The force of an equivalent couple whose arm is 6m is of magnitude

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• The resultant R of two forces P and Q act at right angles to P. Then the angle between the forces is

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